Answer: B. “…which could find/a life within itself, to breathe without Mankind.”
In this excerpt, the poet describes a life "without mankind." This implies that it is a life without any contact, or help, from human beings. He also describes a "life within itself," which conveys an idea of solitude, personal reflection and self-reliance. Therefore, this statement conveys a state of independence.
The best answer is that a linear array helps someone organize synonyms or antonyms by letting him/her organize words according to nuance of meaning. Nuance of meaning by definition is a slight difference in meaning.